ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.4057G>T (p.Ala1353Ser)

gnomAD frequency: 0.00001  dbSNP: rs1892314426
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV001175951 SCV001339763 uncertain significance Cardiomyopathy 2023-12-05 criteria provided, single submitter clinical testing Variant of Uncertain Significance due to insufficient evidence: This missense variant replaces alanine with serine at codon 1353 of the MYH7 protein. Computational prediction tools and conservation analyses are inconclusive regarding the impact of this variant on the protein function. Computational splicing tools suggest that this variant may not impact RNA splicing. To our knowledge, functional assays have not been performed for this variant nor has this variant been reported in individuals affected with cardiovascular disorders in the literature. This variant is rare in the general population and has been identified in 0/277264 chromosomes by the Genome Aggregation Database (gnomAD). Available evidence is insufficient to determine the role of this variant in disease conclusively.
Invitae RCV001207277 SCV001378621 uncertain significance Hypertrophic cardiomyopathy 2022-08-13 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 1353 of the MYH7 protein (p.Ala1353Ser). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MYH7-related conditions. ClinVar contains an entry for this variant (Variation ID: 918383). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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